Automatic download of MaxMindDB GeoLite2 (for lighttpd, 2019)

maxminddb-download.sh

#!/bin/bash

# Automatic MaxMindDB GeoLite2 download (city version)
# * that downloads ONLY when new database is available (which is cool and nice with MaxMind servers) *
# * by Juanga Covas 2019

# logs to download.log and download-nothing.log
# recommended cron: 0 6 * * * cd /root/maxminddb; sh download.sh > download-last-cron.log

final_path="/var/cache/lighttpd"
file_tar_gz="GeoLite2-City.tar.gz"
file="GeoLite2-City.mmdb"

uri="https://geolite.maxmind.com/download/geoip/database/$file_tar_gz"

# use -z option of curl to check if the file seems newer

if test -e "${final_path}/${file}.tar.gz.new"
then zflag="-z '${final_path}/${file}.tar.gz.new'"
else zflag=
fi

echo Checking for maxminddb updates ...
#echo $zflag ...

_command="curl --fail --silent -o "${final_path}/${file}.tar.gz" $zflag "$uri""

echo $_command

if [ -z zflag ] ;then
  eval $_command
else
  eval $_command && echo "Nothing to download"
fi

if [ -f ${final_path}/${file}.tar.gz ] ;then

        echo "Extracting ..."
        mv -f ${final_path}/${file}.tar.gz{,.new}
        # directory name inside the tar.gz is always different so we look for wildcard dir. and only the .mmdb file
        tar zxvf ${final_path}/${file}.tar.gz.new */$file --overwrite -C ./ --strip-components=1

        echo "Copying mmdb file to ${final_path}...";
        cp -fv ./$file ${final_path}/${file}
        chown lighttpd:lighttpd ${final_path}/${file}
        # checking that exists: /var/cache/lighttpd/GeoLite2-City.mmdb
        ls -la ${final_path}/${file}
        # restart lighttpd
        service lighttpd restart
        # checking the datetime of the just downloaded maxminddb:

        echo $(date) - Downloaded new $file timestamped $(ls -ls $file | awk '{print $7,$8,$9}') >> download.log

else

       echo $(date) - Nothing to download >> download-nothing.log

fi